Measurement-computing Serial488/4 Manuel d'utilisateur télécharger pdf (Page 46)

Section 3 Command Descriptions

3.7

Flush Fn

The Flush command is used to discard serial data for a selected port. The Port

Select command (

) is used to select the serial port regardless of addressing mode in

use. Dat a waiting to be read over the IEEE b us, transmitted out the serial port, or

both, may be flushed.

Flush serial input data.

Flush serial output data.

Flush both serial input and output data.

Return last F command executed.

Example 1: Flush serial input data for port 1 using dual primary addressing mode.

PRINT#1,"CLEAR08"

reset the Serial488/4

PRINT#1,"OUTPUT08;P1X"

select port 1 as the current port

PRINT#1,"OUTPUT08;F0X"

flush serial input data

Example 2: Flush serial output data for port 2 using secondary addressing mode.

PRINT#1,"CLEAR0800"

reset the Serial488/4

PRINT#1,"OUTPUT0800;P2X"

select port 2 as the current port

PRINT#1,"OUTPUT0800;f1X"

flush serial output data

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Measurement-computing Serial488/4 Manuel d'utilisateur Page 46